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Charles Campbell — 1930 US Census Record
Model Tree available1930 United States Federal Census · Polk, Iowa
Our Model Tree links this Charles Campbell across the 1910, 1920 and 1930 US Censuses in Polk, Iowa (XGBoost, ~Confirmed), with identified parents Effie & Clinton — first a son (b.~1902), then head of a 3-person household.
Age 28
b. ~1902
Male
Son
Born: Iowa
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Polk, Iowa |
| Surname | Campbell |
| Given Name | Charles |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 28 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Iowa |
| Additional Details | |
| Occupation | Engineer |
| Industry | Steam Railway |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Occupation | Engineer |
| Township / Ward | Des Moines |
| Est. Birth Year | ~1902 |
Household Members
Census records only state relationship to the household head.
Pairwise kinship is derived (~90–95% accurate), not recorded.
Step/blended families and boarders can break it.
3 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Charles | Age | Birth yr |
|---|---|---|---|---|
| Clinton Campbell | Head | — | 58 | ~1872 |
| Charles Campbell | Son | — | 28 | ~1902 |
| Effie Campbell | Spouse | — | 58 | ~1872 |
Census Appearances
1910
Polk, Iowa
Son, age 8
Polk, Iowa · implied b. ~1902 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Campbell |
| Given Name | Charles |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 8 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Iowa |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1920
Polk, Iowa
Son, age 17
Polk, Iowa · implied b. ~1903 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Campbell |
| Given Name | Charles |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Iowa |
| Occupation | Assistant Heater |
| Industry | Steam Railroad |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1930
Polk, Iowa
Son, age 28
Polk, Iowa · implied b. ~1902 — 3 household members
| Surname | Campbell |
| Given Name | Charles |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 28 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Iowa |
| Occupation | Engineer |
| Industry | Steam Railway |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
Model Tree
An inferred pedigree reconstructed from census links — up to 4 generations within the 1900–1950 window. Closer generations are built from household co-residence; deeper ones are bridged by following a relative to their own childhood census. Confidence compounds and weakens with each generation.
Our Model Tree links Charles Campbell across 3 US Census years (1910, 1920 and 1930) in Polk, Iowa, using XGBoost record linkage. Identified parents: mother Effie Campbell (~0.92 confidence) and father Clinton Campbell (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Effie Campbell
b. ~1872
Source mother
● Household
· direct · ~0.92
Father
Clinton Campbell
b. ~1873
Source father
● Household
· direct · ~0.92
This person
Anchor record
Charles Campbell
Son · 1930 · age 28 · b. ~1902 · Iowa
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1930 US Federal Census — Polk, Iowa
Open full size
1930 US Federal Census — Polk, Iowa
Page Contents
45 people indexed on this census page (ia:1930:iowacensus00reel676:0023)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Oscar Bierwirth | 43 | Head | Fireman | Missouri |
| 2 | Grace E Bierwirth | 42 | Wife | None | Iowa |
| 3 | Clis L Bierwirth | 14 | Daughter | None | Iowa |
| 4 | Nadine L Bierwirth | 10 | Daughter | None | Iowa |
| 5 | Lawrence L Bierwirth | 8 | Son | None | Iowa |
| 6 | Andrew Anderson | 58 | Head | Carpenter | Iowa |
| 7 | Mary Anderson | 61 | Wife | None | Wisconsin |
| 8 | Angeline Anderson | 22 | Daughter | Flower Maker | Iowa |
| 9 | Clinton E Campbell | 58 | Head | Engineer | Ohio |
| 10 | Effie Campbell | 58 | Wife | None | Iowa |
| 11 | Charles Campbell THIS PERSON | 28 | Son | Engineer | Iowa |
| 12 | George Bickman | 64 | Head | Janitor | Germany |
| 13 | Margaret Bickman | 59 | Wife | None | Germany |
| 14 | Vernon Jones | 32 | Head | Switchman | New Mexico |
| 15 | Savilla Jones | 21 | Wife | None | Oklahoma |
| 16 | Betty V Jones | 3 | Daughter | None | Oklahoma |
| 17 | Bedina Jones | 0 | Daughter | None | Oklahoma |
| 18 | William Sr Noble | 60 | Lodger | None | Iowa |
| 19 | William Jr Noble | 40 | Lodger | Switchman | Iowa |
| 21 | Italo Bartolomei | 43 | Head | Salesman | Italy |
| 22 | Jennie Bartolomei | 36 | Wife | Manager | Missouri |
| 23 | Aldo Bartolomei | 14 | Son | None | Iowa |
| 24 | Teresina Harmon | 20 | Daughter | None | Missouri |
| 25 | Lafie Simpson | 60 | Head | Carpenter | Kentucky |
| 26 | Lillian Simpson | 58 | Wife | None | Indiana |
| 27 | Gail O Moberg | 43 | Head | Laborer | Iowa |
| 28 | Flora H Moberg | 43 | Wife | None | Tennessee |
| 29 | Michael Dailey | 58 | Head | Engineer | Illinois |
| 30 | Cathrine Dailey | 58 | Wife | None | Iowa |
| 31 | Nell Dailey | 25 | Daughter | Bookkeeper | Iowa |
| 32 | Paul Dailey | 23 | Son | Riveter | Iowa |
| 33 | Elizabeth Dailey | 21 | Daughter | Bookkeeper | Iowa |
| 34 | B. A. Mcgovern | 52 | Head | Engineer | Iowa |
| 35 | Millicent Mcgovern | 50 | Wife | None | Iowa |
| 36 | Sherman Mcgovern | 23 | Son | Sander | Iowa |
| 37 | John Mcgovern | 21 | Son | None | Iowa |
| 38 | Grace Davidson | 33 | Head | Clerk | Iowa |
| 39 | Alice M Davidson | 15 | Daughter | None | Iowa |
| 40 | Charles A Lair | 59 | Head | Plasterer | Iowa |
| 41 | Rosa A Lair | 60 | Wife | None | Iowa |
| 42 | Herschel Lair | 24 | Son | Plasterer | Iowa |
| 43 | Raymond Bradshaw | 29 | Head | Switchman | Iowa |
| 44 | Ruth Bradshaw | 29 | Wife | None | South Dakota |
| 45 | Herbert Bradshaw | 8 | Son | None | Kansas |
| 46 | Bobby J Bradshaw | 1 | Son | None | Iowa |
Pedigree Summary
Charles
Gen 1 · 2 parents
~0.92
Max depth 4 (1900–1950 window)
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1930 United States Federal Census (NARA). Our Model Tree links this person across census decades using XGBoost-based record linkage, with per-link confidence scores. Household corroboration strengthens the signal when co-residents appear on the same census pages in multiple years.
Source: National Archives and Records Administration (NARA)